Putter head



FIG. 1 is a front elevation of a putter head showing my new design, the opposite side being a mirror image thereof;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof; and

FIG. 4 is a side elevation thereof the opposite side being a mirror image thereof. The broken line showing of a shaft and grip is for illustrative purposes only. 

The ornamental design for a putter head, substantially as shown and described. 